ADF7021-VBCPZ-RL Analog Devices Inc, ADF7021-VBCPZ-RL Datasheet - Page 41

• Manufacturer Part Number: ADF7021-VBCPZ-RL
• Description: Narrow Band Transceiver 433/868/900 MHz
• Manufacturer: Analog Devices Inc

Specifications of ADF7021-VBCPZ-RL

• Frequency: 80MHz ~ 960MHz
• Data Rate - Maximum: 24 kbps
• Modulation Or Protocol: FSK
• Applications: ISM
• Power - Output: 13dBm
• Sensitivity: -125dBm
• Voltage - Supply: 2.3 V ~ 3.6 V
• Current - Receiving: 21.7mA
• Current - Transmitting: 27.1mA
• Data Interface: PCB, Surface Mount
• Antenna Connector: PCB, Surface Mount
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 48-VFQFN, CSP Exposed Pad
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

ADF7021-V
TCXO
POWER-DOWN
XTAL
CE LOW
REFERENCE
REFERENCE
TURN ON EXTERNAL VCO AND
ALLOW ADEQUATE SETTLING
CE HIGH
CE HIGH
WAIT 50µs + 1ms
WAIT 50µs (REGULATOR POWER-UP)
(REGULATOR POWER-UP + TYPICAL XTAL SETTLING)
CHECK FOR REGULATOR READY
CHECK FOR REGULATOR READY
WRITE TO REGISTER 1
WRITE TO REGISTER 3
(TURNS ON Tx/Rx CLOCKS)
OPTIONAL:
ONLY NECESSARY IF
WRITE TO REGISTER 6 (SETS UP IF FILTER FINE CALIBRATION)
IF FILTER FINE
CALIBRATION
IS REQUIRED.
WRITE TO REGISTER 5 (STARTS IF FILTER CALIBRATION)
WAIT 0.2ms (COARSE CAL) OR WAIT 8.2ms
(COARSE CALIBRATION + FINE CALIBRATION)
OPTIONAL:
WRITE TO REGISTER 11 (SET UP SWD)
ONLY NECESSARY IF
WRITE TO REGISTER 12 (ENABLE SWD)
SWD IS REQUIRED.
WRITE TO REGISTER 0 (TURNS ON PLL)
WAIT 40µs (TYPICAL PLL SETTLING)
WRITE TO REGISTER 4 (TURNS ON DEMOD)
OPTIONAL:
ONLY NECESSARY IF
WRITE TO REGISTER 10 (TURNS ON AFC)
AFC IS REQUIRED.
Rx MODE
CE LOW
POWER-DOWN
OPTIONAL.
Figure 55. Power-Up Sequence for Receive Mode
Rev. 0 | Page 41 of 60